General

  • Target

    875ef5b3053d4d322471a9a9c0a7ea0b44c75178add2bb43ac4619ec78209cf1.exe

  • Size

    792KB

  • Sample

    240725-e3fpzsydql

  • MD5

    51d4f6e858bdd889aa68e41531250e18

  • SHA1

    0eac307a1461a6fa04f39614cbc5e95c51b63486

  • SHA256

    875ef5b3053d4d322471a9a9c0a7ea0b44c75178add2bb43ac4619ec78209cf1

  • SHA512

    288af1bd4620d24c04624efc4a98133607909c57239b16f5b02cb91180ccdbb16439e3c417b7a6dd6c22b5484176771f33fca158c64cafecdfe250fd020dec99

  • SSDEEP

    12288:wy3kn9hr8AtHy3x5iY49L5FaeEpzalM9D6IwmZMKDPz/DLSfyyofrpqcQD:w3nXvS3yDlgrjwmZpz/DLRHvQ

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .mmuz

  • offline_id

    dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-NdDG3HIUZp Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0428Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      875ef5b3053d4d322471a9a9c0a7ea0b44c75178add2bb43ac4619ec78209cf1.exe

    • Size

      792KB

    • MD5

      51d4f6e858bdd889aa68e41531250e18

    • SHA1

      0eac307a1461a6fa04f39614cbc5e95c51b63486

    • SHA256

      875ef5b3053d4d322471a9a9c0a7ea0b44c75178add2bb43ac4619ec78209cf1

    • SHA512

      288af1bd4620d24c04624efc4a98133607909c57239b16f5b02cb91180ccdbb16439e3c417b7a6dd6c22b5484176771f33fca158c64cafecdfe250fd020dec99

    • SSDEEP

      12288:wy3kn9hr8AtHy3x5iY49L5FaeEpzalM9D6IwmZMKDPz/DLSfyyofrpqcQD:w3nXvS3yDlgrjwmZpz/DLRHvQ

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks